this morning on the m5 i saw a transit van that had had a blow out causing it to do a spectacular spin ending up pointing the wrong way in the outside lane.
it got me thinking that you often see HGV tyres shredded by the side of the motorway but rarely car tyres.
why?
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As far as I am aware, the HGV tyres you see blown out are usually retreads which are basically a new tread that is stuck over a reconditioned tyre carcass.
These can come away from the main body of the tyre due to various factors such as being the wrong pressure, overweight etc.
This is why you often see the treadface still in a complete ring, but the wall has been shredded to pieces as it has blown out.
PP
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I followed a smoking pair of wheels for about 1/2 mile at about 15 mph along the M4 last week. The double wheels had fallen off a supermarket lorry and he'd stopped about 1 mile further on up the road. The wheels would have carried on forever - they were going in a straight line in lane 1 - a man in a Veccy tried to sideswipe them to a halt, but eventually they were stopped by a breakdown truck.
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